Today’s market has provided us with unique appliances to ease the work. The convenience of these modern day appliances have shaved hours and hours off of a typical work week. A hair dryer is one such appliance. A hair dryer, also known as a blow dryer, is an electrical device used to dry and style hair.
A hair dryer is a very simple appliance and its operation basically depends on a fan within it. Working of an electric hair dryer is explained in the following paragraphs.
When you turn on a hair dryer, flow of electricity enters the device. The electrical energy is then harnessed and used to power a small fan that sits inside of the hair dryer. Although it is similar in shape to a water wheel, it differs in purpose because it actually uses the electrical energy to create movement. That movement is then used to create airflow.
Applying power to the hair dryer allows the motor to start spinning the fan, which in turn draws air in through the air inlets in the side of the hair dryer. A safety screen prevents other objects from entering the inner workings of the hair dryer.
The air that is pulled by the fan is the, through a tube is directed onto the hair to dried. But before that the air is made to heat-up.
The heating coil is made of nichrome (an alloy of nickel and chromium) and is installed on an insulating board. Because nichrome is a poor conductor of electricity and does not oxidize when heated, it is the perfect choice to use for the heating coil.
This heating arrangement is placed in the path of the air that is pulled by the fan and is directed onto the hair through the barrel.
Hot air is controlled by a temperature switch, which controls the amount of electrical charge that is pumped through the wire when you turn on the dryer. Nowadays, you can rapidly dry and style your hair using a hair dryer.
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